Related Experiment Video
Updated: Feb 19, 2026
Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production
Published on: December 6, 2021
Structural Insights from 59 Co Solid-State NMR Experiments on Organocobalt(I) Catalysts
Kevin M N Burgess1,2, Cory M Widdifield1,3, Yang Xu1
1Department of Chemistry and Biomolecular Sciences, & Centre for Catalysis Research and Innovation, University of Ottawa, 10 Marie Curie Private, Ottawa, Ontario, K1N 6N5, Canada.
Researchers developed new fumarate-based organocobalt(I) catalysts. Solid-state NMR spectroscopy effectively detects subtle structural variations in these cobalt complexes, linking NMR signals to catalyst structure.
Area of Science:
- Organometallic Chemistry
- Solid-State Inorganic Chemistry
Background:
- Organocobalt(I) complexes are valuable catalysts.
- Systematic solid-state NMR studies on Co(I) compounds are scarce.
Purpose of the Study:
- To synthesize and characterize fumarate-based organocobalt(I) catalysts.
- To establish solid-state NMR as a tool for structural analysis of these complexes.
Main Methods:
- X-ray crystallography
- Multinuclear solid-state NMR spectroscopy (13C, 59Co)
- 59Co NQR spectroscopy
- Density functional theory (DFT) calculations
Main Results:
- Nearly identical molecular geometries were observed via X-ray crystallography.
- Solid-state 59Co NMR successfully identified minor structural differences.
- DFT calculations revealed 59Co NMR parameters are sensitive to the Fu-Co-Cp bond angle.
Conclusions:
- Solid-state 59Co NMR spectroscopy is a powerful technique for characterizing organocobalt(I) complexes.
- NMR observables correlate directly with catalyst structural parameters.
- This work provides a foundation for further investigation of cobalt catalysts.
More Related Videos
10:57Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction
Published on: April 10, 2018
11:38In situ FTIR Spectroscopy as a Tool for Investigation of Gas/Solid Interaction: Water-Enhanced CO2 Adsorption in UiO-66 Metal-Organic Framework
Published on: February 1, 2020
Related Concept Videos
01:23Properties of Organometallic Compounds
02:34Structural Isomerism
Isomers are different chemical species that have the same chemical formula. Structural isomerism of coordination compounds can be divided into two subcategories, the linkage isomers and coordination-sphere isomers.
Linkage isomers occur when the coordination compound contains a ligand that can bind to the transition metal center through two different atoms. For example, the CN− ligand can bind through the carbon atom or through the nitrogen atom. Similarly, SCN− can...
02:42Valence Bond Theory
01:27Inductive Effects on Chemical Shift: Overview
02:18Network Covalent Solids
To break or to melt a covalent network solid, covalent bonds must be broken. Because covalent bonds are relatively strong, covalent network solids are typically...
02:51Metal-Ligand Bonds
In these complexes, transition metals form coordinate covalent bonds, a kind of Lewis acid-base interaction in which both of the electrons in the bond are contributed by a donor (Lewis base) to an electron acceptor (Lewis acid). The Lewis acid in...